]> git.openfabrics.org - ~shefty/rdma-dev.git/commitdiff
sparc64: Set CRYPTO_TFM_REQ_MAY_SLEEP consistently in DES code.
authorDavid S. Miller <davem@davemloft.net>
Wed, 19 Dec 2012 23:43:38 +0000 (15:43 -0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 19 Dec 2012 23:43:38 +0000 (15:43 -0800)
We use the FPU and therefore cannot sleep during the crypto
loops.

Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/crypto/des_glue.c

index 41524cebcc49e4dfb48e0628efd67b9aa50619ac..3065bc61f9d3bcf2ec96e78a2b3a15d96f981e14 100644 (file)
@@ -100,6 +100,7 @@ static int __ecb_crypt(struct blkcipher_desc *desc,
 
        blkcipher_walk_init(&walk, dst, src, nbytes);
        err = blkcipher_walk_virt(desc, &walk);
+       desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 
        if (encrypt)
                des_sparc64_load_keys(&ctx->encrypt_expkey[0]);
@@ -147,6 +148,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc,
 
        blkcipher_walk_init(&walk, dst, src, nbytes);
        err = blkcipher_walk_virt(desc, &walk);
+       desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 
        des_sparc64_load_keys(&ctx->encrypt_expkey[0]);
        while ((nbytes = walk.nbytes)) {
@@ -177,6 +179,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc,
 
        blkcipher_walk_init(&walk, dst, src, nbytes);
        err = blkcipher_walk_virt(desc, &walk);
+       desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 
        des_sparc64_load_keys(&ctx->decrypt_expkey[0]);
        while ((nbytes = walk.nbytes)) {
@@ -266,6 +269,7 @@ static int __ecb3_crypt(struct blkcipher_desc *desc,
 
        blkcipher_walk_init(&walk, dst, src, nbytes);
        err = blkcipher_walk_virt(desc, &walk);
+       desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 
        if (encrypt)
                K = &ctx->encrypt_expkey[0];
@@ -317,6 +321,7 @@ static int cbc3_encrypt(struct blkcipher_desc *desc,
 
        blkcipher_walk_init(&walk, dst, src, nbytes);
        err = blkcipher_walk_virt(desc, &walk);
+       desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 
        K = &ctx->encrypt_expkey[0];
        des3_ede_sparc64_load_keys(K);
@@ -352,6 +357,7 @@ static int cbc3_decrypt(struct blkcipher_desc *desc,
 
        blkcipher_walk_init(&walk, dst, src, nbytes);
        err = blkcipher_walk_virt(desc, &walk);
+       desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 
        K = &ctx->decrypt_expkey[0];
        des3_ede_sparc64_load_keys(K);